Below are some of the most useful tools for your eCommerce site:

SSL

Use https / SSL to give customers confidence you are protecting their information on your site. Contact your hosting provider to get them to install SSL for you.

Hosting

Find reliable web hosting like Digital Ocean where you can spin up a “droplet” for as little as $5/mo, RackSpace has a wide variety of hosting options.

Backups

Make sure your hosting has backups enabled and you know how to use them and restore them

Analytics

Enable analytics on your site from the beginning. Even if you don’t look at them to begin with, the data will be a valuable asset in the future. Google Analytics is free, why wouldn’t you use it?

You’ll be able to see where visitors are accessing your site from, what content they are viewing, how long they are spending on your site. Also what technology they are using to access to your site. You are also able to set-up specific eCommerce goals to track. All for free, don’t waste time looking for another analytics solution.

Webmaster Tools

Google Webmaster Tools (now called Google Search Console) gives you more insights and tools into managing your websites presence. You can configure how your site appears in search results. Get tips for HTML improvements. See analytics on searches to your site, lists of other sites linking to your site. Submit your site and sitemap(s) to the Google index. Also view crawl errors and security issues.